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Sur la convergence en moyenne pour des vecteurs aléatoires intégrables au sens de Bochner

Luca Pratelli (1992)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni

The problem of finding simple additional conditions, for a weakly convergent sequence in L 1 , which would suffice to imply strong convergence has been widely studied in recent years. In this Note we study this problem for Banach valued random vectors, by replacing weak convergence with a less restrictive assumption. Moreover, all the additional conditions we consider are also necessary for strong convergence, and they depend only on marginal distributions.

Sur la convergence faible des systèmes dynamiques échantillonnés

Nadine Guillotin-Plantard (2004)

Annales de l’institut Fourier

Soit T α la rotation sur le cercle d’angle irrationnel α , soit ( S k ) k 0 une marche aléatoire transiente sur . Soit f L 2 ( μ ) et H ] 0 , 1 [ , nous étudions la convergence faible de la suite 1 n H k = 0 [ n t ] - 1 f T α S k , n 1 .

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